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el_boqueron

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Problems with 2nd monitor

Windows XP Pro SP3, 3.0ghz Pentium P4, 1gb Memory, Asus AH3650 dual monitor graphics card, LG FlatronW2241S Monitor (x2)
I have just installed the above graphics card and 2 montiors. The optimal resolution is 1680 x 1050.
On the first monitor all the settings are perfect and evrything is fine.
On the 2nd monitor allthe settings say exactly the same as the first but the screen resolution is larger  and when i put my mouse into it the background picture "jumps" because it is too large for the screen.
Obviously when I display a document it is much larger onthe 2nd monitor and i have to scroll up and down to see all of it, while on the first monitor it is all within the screen.
I have checked the monitor drivers are both showing the installled LG W2241 in display properties and in device manager.
I have tried swapping the monitors over on the graphics card and which ever monitor is plugged into the 2nd monitor port has the fault, so i know it is not the monitor that is faulty.

I have remioved the card and all the soft ware and reinstalled it using the latest drivers from the asus website.

I cannot think waht else to try - any ideas?

boqueron
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el_boqueron

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Forgot to mention. When i try to use the catalyst control centre as soon as i open it the second monitor begins to flicker and the CCC also flickers like crazy making it impossible to select any options.
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Latest information:
If I reduce the resolution to 1440 x 900, 75hz, on both monitors they both function perfectly - no flicker  no jumping it only seems to be when i increase it to the 1680 resolution which is the "optimum" for these monitors. The 1680 setting also only offers me a 60hz option. Although the graphics card literature says it is suitable for the higher resolution i wonder if the card is actually powerful enough for the monitors.
I have contacted the shop i bought the graphics card but they are reluctant to take it back or give me another to test out the theory that it may be the graphics card. They sold me both monitors and the card as a package so should have sold me a compatible set up.
I will try to install it into another machine tomorrow and see if the problem persists
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just an update. I finally got the supplier to agree to get me another graphics card and i am going tomorrow to install it. I will report back then

Thanbks for your patience

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Compuesto is referring to Composite Video like through RCA cables.
Thanks PCBonez,  
I am not sure why that would make a difference in this case then.